diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
index 5ac6fc41..1f5d31ea 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
@@ -17,4 +17,6 @@ public interface LacertaVcs {
     // debug
     public void printLog();
 
+    public void printRev();
+
 }
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
index f2b845c2..dabcbfed 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
@@ -88,6 +88,7 @@ public class LacertaVcsImpl implements LacertaVcs {
     @Override
     public void generateRevisionAtCurrent(String message) {
         logger.debug(TAG, "generateRevisionAtCurrent");
+        // TODO-rca: ブランチを考慮する
 
         ArrayList<VcsLogEntity> vcsLogEntities = getNonIncludedVcsLogEntities();
 
@@ -109,6 +110,7 @@ public class LacertaVcsImpl implements LacertaVcs {
         setIncludedVcsLogEntities(vcsLogEntities);
 
         logger.debug(TAG, "generateRevisionAtCurrent finished");
+        logger.debug(TAG, "New revision inserted: " + vcsRevEntity.id);
     }
 
     @Override
@@ -118,4 +120,12 @@ public class LacertaVcsImpl implements LacertaVcs {
             logger.debug(TAG, vcsLog.id);
         });
     }
+
+    @Override
+    public void printRev() {
+        logger.debug(TAG, "printRev");
+        database.vcsRevDao().findAll().forEach(vcsRev -> {
+            logger.debug(TAG, vcsRev.id);
+        });
+    }
 }